can be conceptualised as the subjective experience of distress in response to perceived environmental problems.

This seems to be a description of "psychological stress." Here's a step-by-step breakdown:

1. "Can be conceptualised as the subjective experience of distress" - This part of the sentence suggests that we're talking about a personal, internal reaction that involves discomfort or suffering. This aligns with the concept of stress, which is often defined as a physical, mental, or emotional factor that causes bodily or mental tension.

2. "In response to perceived environmental problems" - This part of the sentence indicates that the distress is a reaction to issues or difficulties in the individual's environment. This could refer to any number of things, including work pressure, relationship troubles, financial difficulties, etc.

So, putting it all together, the sentence seems to be describing psychological stress, which is a type of distress that individuals experience in response to perceived problems in their environment.